Specifications include, but are not limited to: Specific Requirements: Description: Bulk Deicing Rock Salt is to be a coarse translucent to white, crystalline solid. It may contain small amounts of other mineral deposits as a natural part of the product. It may contain water soluble yellow prussiate of soda to add to its improved caking resistance. Specifications: Gradation and purity of material must meet ASTM and ASSHTO specifications for Deicing Salt. Material size: o Material must meet the following sieve analysis. o 100% pass through a ½ inch mesh o Minimum of 95% through a 3/8 inch mesh o Minimum of 15% to a maximum of 90% through a # 4 mesh o Minimum of 5% to a maximum of 50% through a # 8 mesh o Maximum of 15% through a # 30 mesh.
